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    <p>文博已修改</p>
    <p>ssh </p>

    <div class="box"></div>
    <script>
        // 这是一个与众不同的东西
        var box = document.getElementsByClassName('.box');
        box.onclick = function () {
            console.log('点击');
        }
    </script>
    <p>文博已修改</ </body>

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